66141245514630 has 256 divisors, whose sum is σ = 189852371251200. Its totient is φ = 14534559536640.

The previous prime is 66141245514559. The next prime is 66141245514647. The reversal of 66141245514630 is 3641554214166.

It is a self number, because there is not a number n which added to its sum of digits gives 66141245514630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 239557201 + ... + 239833139.

It is an arithmetic number, because the mean of its divisors is an integer number (741610825200).

Almost surely, 2^{66141245514630} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66141245514630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94926185625600).

66141245514630 is an abundant number, since it is smaller than the sum of its proper divisors (123711125736570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66141245514630 is a wasteful number, since it uses less digits than its factorization.

66141245514630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276979.

The product of its (nonzero) digits is 2073600, while the sum is 48.

Adding to 66141245514630 its reverse (3641554214166), we get a palindrome (69782799728796).

The spelling of 66141245514630 in words is "sixty-six trillion, one hundred forty-one billion, two hundred forty-five million, five hundred fourteen thousand, six hundred thirty".